Extracting prog: 1m16.92517431s
Minimizing prog: 7m3.030941403s
Simplifying prog options: 0s
Extracting C: 37.540652107s
Simplifying C: 5m48.443568346s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, 0xffffffffffffffff, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$eJzs3c9rXNUeAPDvnfxq0r6XPHjwXl0FBA2UTkyNrYKLigsRLBR0bRsm0xAzyZTMpDQhixYR3ChaXAi66dpq3bn1x1b/CxfSUjUtVlxI5E5m2kkzk07a+VHI5wM3c8695+ac75z748zcy9wA9q3x9E8m4nBEfJREjFbnJxExUEn1R5zcKnd3Yz2XTklsbr75W1Ipc2djPRd166QOVjP/j4jv34s4ktlZb2l1bWGmUMgvV/OT5cXzk6XVtaPzizNz+bn80vGp6eljJ144cbx9sf7x09qhmx+/9uxXJ/9693/XP/ghiZNxqLqsPo52GY/x6nsykL6F27za7sp6LOl1A3gk6a7Zt7WXx+EYjb5KqonhbrYMAOiUTQBgH0qMAQBgn6l9D3BnYz1Xm3r7jUR33XolIg5sxV+7vrm1pL96ze5A5TroyJ1k25WRJCLG2lD/eMSHVyKuff7N29ei2g+upQHdcOlyRJwdG995/E923LOwV8/ttnBzqPIy/sDs/Xb+gV76Nh3/vNho/Je5N/6JBuOfoQb77qN4+P6fudGGappKx38v193bdrcu/qqxvmruX5Ux30Bybr6QT49t/46IiRgYSvNTlaKNR24Tt/++3az+NP507JdOv19554u0/vT1fonMjf6h7evMzpRnHjfumluXI57qbxR/cq//kybj39Mt1vH6S+9/1mxZGn8ab23aGX9nbV6NeKZh/9/vy2TX+xMnK5vDZG2jaODrnz8daVZ/ff+nU1p/7bNAN6T9P7J7/GNJ/f2apb3X8ePV0e+aLXt4/I23/8HkrUp6sDrv4ky5vDwVMZi8sXP+sfvr1vK18mn8E0833v+3qm28/aefCc+2GH//zV+/fPT4OyuNf3ZP/b/3xPW7C33N6m+t/6crqYnqnFaOf6028HHeOwAAAAAAAAAAAAAAAAAAAAAAAABoVSYiDkWSyd5LZzLZ7NYzvP8bI5lCsVQ+cq64sjQblWdlj8VApvZTl6N1v4c6Vf09/Ep+oJA/Vp+fL+Sfj4j/RMQnQ8OVfDZXLMz2OngAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAqDrY5Pn/qV+Get06AKBjDvS6AQBA1zn/A8D+s7fz/3DH2gEAdI/P/wCw/7R8/j/b2XYAAN3z4Pm/r1GhhjMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgJadPnUqnzT831nNpfvbC6spC8cLR2XxpIbu4ksvmisvns3PF4lwhn80VF7etnKlLX9p6KRSL56djaeXiZDlfKk+WVtfOLBZXlspn5hdn5vJn8gNdjQ4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWlNaXVuYKRTyyxK7Jobb8X8Gex1F+xL98UQ0Q6JjifqjxHDvDlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT7h/AgAA///wSSzL")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(0x0, 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$eJzs3c9rXNUeAPDvnfxq0r6XPHjwXl0FBA2UTkyNrYKLigsRLBR0bRsm0xAzyZTMpDQhixYR3ChaXAi66dpq3bn1x1b/CxfSUjUtVlxI5E5m2kkzk07a+VHI5wM3c8695+ac75z748zcy9wA9q3x9E8m4nBEfJREjFbnJxExUEn1R5zcKnd3Yz2XTklsbr75W1Ipc2djPRd166QOVjP/j4jv34s4ktlZb2l1bWGmUMgvV/OT5cXzk6XVtaPzizNz+bn80vGp6eljJ144cbx9sf7x09qhmx+/9uxXJ/9693/XP/ghiZNxqLqsPo52GY/x6nsykL6F27za7sp6LOl1A3gk6a7Zt7WXx+EYjb5KqonhbrYMAOiUTQBgH0qMAQBgn6l9D3BnYz1Xm3r7jUR33XolIg5sxV+7vrm1pL96ze5A5TroyJ1k25WRJCLG2lD/eMSHVyKuff7N29ei2g+upQHdcOlyRJwdG995/E923LOwV8/ttnBzqPIy/sDs/Xb+gV76Nh3/vNho/Je5N/6JBuOfoQb77qN4+P6fudGGappKx38v193bdrcu/qqxvmruX5Ux30Bybr6QT49t/46IiRgYSvNTlaKNR24Tt/++3az+NP507JdOv19554u0/vT1fonMjf6h7evMzpRnHjfumluXI57qbxR/cq//kybj39Mt1vH6S+9/1mxZGn8ab23aGX9nbV6NeKZh/9/vy2TX+xMnK5vDZG2jaODrnz8daVZ/ff+nU1p/7bNAN6T9P7J7/GNJ/f2apb3X8ePV0e+aLXt4/I23/8HkrUp6sDrv4ky5vDwVMZi8sXP+sfvr1vK18mn8E0833v+3qm28/aefCc+2GH//zV+/fPT4OyuNf3ZP/b/3xPW7C33N6m+t/6crqYnqnFaOf6028HHeOwAAAAAAAAAAAAAAAAAAAAAAAABoVSYiDkWSyd5LZzLZ7NYzvP8bI5lCsVQ+cq64sjQblWdlj8VApvZTl6N1v4c6Vf09/Ep+oJA/Vp+fL+Sfj4j/RMQnQ8OVfDZXLMz2OngAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAqDrY5Pn/qV+Get06AKBjDvS6AQBA1zn/A8D+s7fz/3DH2gEAdI/P/wCw/7R8/j/b2XYAAN3z4Pm/r1GhhjMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgJadPnUqnzT831nNpfvbC6spC8cLR2XxpIbu4ksvmisvns3PF4lwhn80VF7etnKlLX9p6KRSL56djaeXiZDlfKk+WVtfOLBZXlspn5hdn5vJn8gNdjQ4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWlNaXVuYKRTyyxK7Jobb8X8Gex1F+xL98UQ0Q6JjifqjxHDvDlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT7h/AgAA///wSSzL")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
simplifying C reproducer
testing compiled C program (duration=46.709451849s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program crashed: kernel BUG in ext4_writepages
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing compiled C program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
program did not crash
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$eJzs3c9rXNUeAPDvnfxq0r6XPHjwXl0FBA2UTkyNrYKLigsRLBR0bRsm0xAzyZTMpDQhixYR3ChaXAi66dpq3bn1x1b/CxfSUjUtVlxI5E5m2kkzk07a+VHI5wM3c8695+ac75z748zcy9wA9q3x9E8m4nBEfJREjFbnJxExUEn1R5zcKnd3Yz2XTklsbr75W1Ipc2djPRd166QOVjP/j4jv34s4ktlZb2l1bWGmUMgvV/OT5cXzk6XVtaPzizNz+bn80vGp6eljJ144cbx9sf7x09qhmx+/9uxXJ/9693/XP/ghiZNxqLqsPo52GY/x6nsykL6F27za7sp6LOl1A3gk6a7Zt7WXx+EYjb5KqonhbrYMAOiUTQBgH0qMAQBgn6l9D3BnYz1Xm3r7jUR33XolIg5sxV+7vrm1pL96ze5A5TroyJ1k25WRJCLG2lD/eMSHVyKuff7N29ei2g+upQHdcOlyRJwdG995/E923LOwV8/ttnBzqPIy/sDs/Xb+gV76Nh3/vNho/Je5N/6JBuOfoQb77qN4+P6fudGGappKx38v193bdrcu/qqxvmruX5Ux30Bybr6QT49t/46IiRgYSvNTlaKNR24Tt/++3az+NP507JdOv19554u0/vT1fonMjf6h7evMzpRnHjfumluXI57qbxR/cq//kybj39Mt1vH6S+9/1mxZGn8ab23aGX9nbV6NeKZh/9/vy2TX+xMnK5vDZG2jaODrnz8daVZ/ff+nU1p/7bNAN6T9P7J7/GNJ/f2apb3X8ePV0e+aLXt4/I23/8HkrUp6sDrv4ky5vDwVMZi8sXP+sfvr1vK18mn8E0833v+3qm28/aefCc+2GH//zV+/fPT4OyuNf3ZP/b/3xPW7C33N6m+t/6crqYnqnFaOf6028HHeOwAAAAAAAAAAAAAAAAAAAAAAAABoVSYiDkWSyd5LZzLZ7NYzvP8bI5lCsVQ+cq64sjQblWdlj8VApvZTl6N1v4c6Vf09/Ep+oJA/Vp+fL+Sfj4j/RMQnQ8OVfDZXLMz2OngAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAqDrY5Pn/qV+Get06AKBjDvS6AQBA1zn/A8D+s7fz/3DH2gEAdI/P/wCw/7R8/j/b2XYAAN3z4Pm/r1GhhjMBAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACgJadPnUqnzT831nNpfvbC6spC8cLR2XxpIbu4ksvmisvns3PF4lwhn80VF7etnKlLX9p6KRSL56djaeXiZDlfKk+WVtfOLBZXlspn5hdn5vJn8gNdjQ4AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAWlNaXVuYKRTyyxK7Jobb8X8Gex1F+xL98UQ0Q6JjifqjxHDvDlAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAT7h/AgAA///wSSzL")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
testing program (duration=46.709451849s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-truncate-mmap-read$FUSE
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000780)='ext4\x00', &(0x7f0000000480)='./file1\x00', 0x0, &(0x7f0000000540), 0x1, 0x79e, &(0x7f00000007c0)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x101042, 0x15)
truncate(&(0x7f0000000940)='./file1\x00', 0x8da6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0)
read$FUSE(r0, &(0x7f0000000400)={0x2020}, 0xfffffeb1)

program crashed: kernel BUG in ext4_writepages
validation run: crashed=true
reproducing took 16m52.246816095s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2763!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: writeback wb_workfn (flush-7:6)
RIP: 0010:ext4_writepages+0x3085/0x30a0 fs/ext4/inode.c:2762
Code: ac 84 ff 84 db 75 31 e8 99 a9 84 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 48 8b 5c 24 30 e9 41 d3 ff ff e8 7b a9 84 ff <0f> 0b e8 74 a9 84 ff e8 eb bf 13 ff eb 98 e8 68 a9 84 ff e8 df bf
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81ecbcc5 RBX: 0000008410000000 RCX: ffff88810029a880
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff88811691caaf R09: 1ffff11022d23955
R10: dffffc0000000000 R11: ffffed1022d23956 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff88811ca88000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555590383908 CR3: 000000012a7da000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x3ab/0x600 mm/page-writeback.c:2494
 __writeback_single_inode+0xd9/0xb10 fs/fs-writeback.c:1622
 writeback_sb_inodes+0x9fd/0x1610 fs/fs-writeback.c:1913
 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2089
 wb_do_writeback fs/fs-writeback.c:2236 [inline]
 wb_workfn+0x378/0xeb0 fs/fs-writeback.c:2276
 process_one_work+0x717/0xc30 kernel/workqueue.c:2302
 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3085/0x30a0 fs/ext4/inode.c:2762
Code: ac 84 ff 84 db 75 31 e8 99 a9 84 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 48 8b 5c 24 30 e9 41 d3 ff ff e8 7b a9 84 ff <0f> 0b e8 74 a9 84 ff e8 eb bf 13 ff eb 98 e8 68 a9 84 ff e8 df bf
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81ecbcc5 RBX: 0000008410000000 RCX: ffff88810029a880
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff88811691caaf R09: 1ffff11022d23955
R10: dffffc0000000000 R11: ffffed1022d23956 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff88811ca88000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc34ff83000 CR3: 0000000110689000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2763!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: writeback wb_workfn (flush-7:6)
RIP: 0010:ext4_writepages+0x3085/0x30a0 fs/ext4/inode.c:2762
Code: ac 84 ff 84 db 75 31 e8 99 a9 84 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 48 8b 5c 24 30 e9 41 d3 ff ff e8 7b a9 84 ff <0f> 0b e8 74 a9 84 ff e8 eb bf 13 ff eb 98 e8 68 a9 84 ff e8 df bf
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81ecbcc5 RBX: 0000008410000000 RCX: ffff88810029a880
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff88811691caaf R09: 1ffff11022d23955
R10: dffffc0000000000 R11: ffffed1022d23956 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff88811ca88000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555590383908 CR3: 000000012a7da000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x3ab/0x600 mm/page-writeback.c:2494
 __writeback_single_inode+0xd9/0xb10 fs/fs-writeback.c:1622
 writeback_sb_inodes+0x9fd/0x1610 fs/fs-writeback.c:1913
 wb_writeback+0x3eb/0x990 fs/fs-writeback.c:2089
 wb_do_writeback fs/fs-writeback.c:2236 [inline]
 wb_workfn+0x378/0xeb0 fs/fs-writeback.c:2276
 process_one_work+0x717/0xc30 kernel/workqueue.c:2302
 worker_thread+0xa4d/0x11d0 kernel/workqueue.c:2449
 kthread+0x281/0x320 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3085/0x30a0 fs/ext4/inode.c:2762
Code: ac 84 ff 84 db 75 31 e8 99 a9 84 ff 49 bd 00 00 00 00 00 fc ff df 4c 8b 7c 24 20 48 8b 5c 24 30 e9 41 d3 ff ff e8 7b a9 84 ff <0f> 0b e8 74 a9 84 ff e8 eb bf 13 ff eb 98 e8 68 a9 84 ff e8 df bf
RSP: 0018:ffffc900000a7120 EFLAGS: 00010293
RAX: ffffffff81ecbcc5 RBX: 0000008410000000 RCX: ffff88810029a880
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc900000a7490 R08: ffff88811691caaf R09: 1ffff11022d23955
R10: dffffc0000000000 R11: ffffed1022d23956 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000008000000000 R15: ffff88811ca88000
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc34ff83000 CR3: 0000000110689000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400